Thread: Mecanum wheels
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Unread 07-01-2014, 20:52
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Re: Mecanum wheels

Quote:
Originally Posted by lcoreyl View Post
yes... yes there is...



I've linked a paper in my signature. In the paper is a link to a video showing the worms eye view of the contact patch of a mecanum wheel while being moved as it would in normal forward motion. The contact point doesn't slip. The rollers don't spin.
I don't want to debate this too much since it's going to derail the thread, but I'm still not convinced based on the two videos (Glass table, green backlighting) that the rollers do not spin under FRC conditions. Maybe I'm nit picking, but there seemed to be some sort of displacement of the roller (Looks like a few degrees at most) even on the table top test. At FRC speeds, something tells me that this has to add up into the rollers spinning while the robot is moving in standard fore and aft directions. It's been a few years since I've played with Mecanum wheels first hand, but if I remember correctly, rollered seemed to slip while under load.... But I might be wrong.
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